"urup" meaning in Iban

{
  "etymology_templates": [
    {
      "args": {
        "1": "iba",
        "2": "ms",
        "3": "huruf"
      },
      "expansion": "Malay huruf",
      "name": "bor"
    },
    {
      "args": {
        "1": "iba",
        "2": "ar",
        "3": "حُرُوف"
      },
      "expansion": "Arabic حُرُوف (ḥurūf)",
      "name": "der"
    }
  ],
  "etymology_text": "From Malay huruf, from Arabic حُرُوف (ḥurūf).",
  "head_templates": [
    {
      "args": {
        "1": "iba",
        "2": "noun"
      },
      "expansion": "urup",
      "name": "head"
    }
  ],
  "lang": "Iban",
  "lang_code": "iba",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Iban entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "iba",
          "name": "Orthography",
          "orig": "iba:Orthography",
          "parents": [
            "Writing",
            "Human behaviour",
            "Language",
            "Human",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "letter (letter of the alphabet)"
      ],
      "id": "en-urup-iba-noun-wLGcFOsh",
      "links": [
        [
          "letter",
          "letter"
        ]
      ]
    }
  ],
  "word": "urup"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "iba",
        "2": "ms",
        "3": "huruf"
      },
      "expansion": "Malay huruf",
      "name": "bor"
    },
    {
      "args": {
        "1": "iba",
        "2": "ar",
        "3": "حُرُوف"
      },
      "expansion": "Arabic حُرُوف (ḥurūf)",
      "name": "der"
    }
  ],
  "etymology_text": "From Malay huruf, from Arabic حُرُوف (ḥurūf).",
  "head_templates": [
    {
      "args": {
        "1": "iba",
        "2": "noun"
      },
      "expansion": "urup",
      "name": "head"
    }
  ],
  "lang": "Iban",
  "lang_code": "iba",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Iban entries with incorrect language header",
        "Iban lemmas",
        "Iban nouns",
        "Iban terms borrowed from Malay",
        "Iban terms derived from Arabic",
        "Iban terms derived from Malay",
        "Pages with 3 entries",
        "Pages with entries",
        "iba:Orthography"
      ],
      "glosses": [
        "letter (letter of the alphabet)"
      ],
      "links": [
        [
          "letter",
          "letter"
        ]
      ]
    }
  ],
  "word": "urup"
}